1 sentence

1. 他总是管不住自己的嘴，经常在外面惹祸。

   tā zǒng​shì guǎn bù zhù zì​jǐ de zuǐ, jīng​cháng zài wài​miàn rě​huò.

   He can't keep his mouth shut and often gets into trouble.

   Source: Dong Chinese Dictionary